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Mean Well DRDN20-48 Redundancy Module Power Supply 20A - DIN Rail
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Mean Well DRDN20-48 Redundancy Module Power Supply 20A - DIN Rail
Description
Description
Features
| Support 1+1 and N+1 redundancy system |
| 2 channels input and 1 output |
| Suitable for redundancy operation of 12V/24V/48V system |
| Output current up to 20A |
| Cooling by free air convection |
| Built-in 2 channels DC Ok signal and alarm relay contact |
| 3 years warranty |
General Specification
| DC input voltage | 12-48V |
| Peak current | 0-30A per input; 5 Sec |
| DC voltage range | 12V: 9-14V; 24V: 19-29V; 48V: 36-60V |
| Overload protection | <30A, 5 Sec. No damage |
| Short circuit protection | <30A, 5 Sec. No damage |
| Number of Input | 2 |
| Withstand voltage | I/P-O/P - Chassis: 0.5KVac; I/P-O/P - Relay: 0.5KVac; Relay - Chassis: 0.5KVac; |
| Working temperature | -40~+80°C |
| DC OK signal | Relay contact |
| Safety standards | IEC62368-1, UL60950-1 |
| EMC standards | EN55032 class B, EN61000-4-2,3,4,5,6,8,10 |
| Connection | Screw terminal |
| Dimension (LxWxH) | 32x125.2x102 |
| Packing | 28pcs / 10.8kg |
Specifications
Specifications
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BrandMean Well
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SeriesDR-DN
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Power Rating960 Watt
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Output Voltage48 Volt
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Rated Current20 Ampere
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Input Voltage36V~60V
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No of Output1
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Standards MetCB,CE,EAC,UL
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Operating Temperature-40°C~80°C
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Warranty3 Year
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Length4.93 in
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Width4.02 in
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Height1.26 in
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Weight0.77 lb
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the DRDN20-48 in a 48V industrial automation panel with redundant DC power?
Yes, this model is suited to 48V control-power architectures and is rated for 20A with 960W capacity. It supports 1+1 and N+1 redundancy, which is useful in industrial automation panels where redundant 48V power distribution is required.
Is the DRDN20-48 appropriate for telecom-style or networked control cabinets that run on 48V?
It can be a fit for enclosed 48V control cabinets when the redundant power path stays within 20A and 960W. The DIN rail format and 125.2 x 102.0 x 32.0 mm dimensions also support organized cabinet layouts.
Can this redundancy module be used in a building management panel that standardizes on 48V control power?
Yes, if the panel uses 48V control power, this model matches that voltage and supports redundant configurations through 1+1 and N+1 operation. Its relay contacts provide a straightforward way to monitor power status at the panel level.
Is the DRDN20-48 suitable for a narrow DIN rail cabinet where space is limited?
Yes, the housing measures 125.2 x 102.0 x 32.0 mm, so it keeps a slim 32.0 mm profile on DIN rail. That makes it easier to place in narrow control cabinets while still supporting 48V systems up to 20A and 960W.
What are the differences between the DRDN20-48 and the lower-voltage DRDN20 versions?
The DRDN20-48 is rated for 48V, 20A, and 960W with a 36-60VAC input range. The DRDN20-24 is 24V, 20A, and 480W with 19-29VAC input, and the DRDN20-12 is 12V, 20A, and 240W with 9-14VAC input. Across the series, the dimensions stay 125.2 x 102.0 x 32.0 mm, weight is 0.35 kg, operating temperature is -40°C to +80°C, and certifications are CB, CE, EAC, and UL.
Can the DRDN20-48 be used in a control cabinet exposed to harsh temperatures?
The specified operating range is -40°C to +80°C, so it is designed for wide-temperature cabinet environments. Since no IP rating is listed, it is best treated as a control cabinet or enclosure component rather than an exposed-environment device.
